intermezzo, like most sleep medicines, has some risk of dependency. common side effects are headache, nausea, and fatigue. so if you suffer from middle-of-the-night insomnia, ask your doctor about intermezzo and return to sleep again. ♪ barrow island has got rare kangaroos. ♪ chevron has been developing energy here for decades. we need to protect their environment. we have a strict quarantine system to protect the integrity of the environment. forty years on, it's still a class-a nature reserve. it's our job to look after them. ...it's my job to look after it. ♪ >>> our second story "outfront", a dire warning. the threat from drug-resistant bacteria is so serious that it could trigger a national emergency, similar to a terrorist attack. some pretty stunning words and it sure caught my attention, and "outfront" tonight, we're lucky to have dr. oz, host of "the dr. oz show." i've always wondered, people who go to the doctor every time they get sick and get antibiotics, are they causing a are problem? are we going to have all these things be resist